What is the cause?

When a directly connected host pings a switch virtual interface on the Cisco Nexus 7000
Series Switch, there is intermittent ping loss. What is the cause?

A.
CoPP is applying microflow policing to all traffic from the host that is destined to the
CPU.

B.
CoPP is applying microflow policing to all traffic to the host that is leaving the CPU.

C.
CoPP is rate-limiting all ICMP traffic that is destined to the CPU.

D.
CoPP is rate-limiting all ICMP traffic that is leaving the CPU.